1. highest frequency

The highest frequency at which device produces audio. The higher the high-frequency response, the clearer and crispier the treble.

20000Hz

Sony MDR-Z1R: 120000Hz

20000Hz

2. lowest frequency

The lowest frequency at which the device produces audio. The lower the low-frequency response, the stronger and juicier the bass.

50Hz

Sony MH1CBLK: 1Hz

4Hz

3. weight

13g lighter.

22g

Sony MDR-EX150AP: 3g

9g

4. has sound isolation/passive noise reduction

The device sits tightly in place, creating an acoustic seal which reduces background noise and prevents your music from leaking out.

Bang & Olufsen A8

Denon Music Maniac AH-C400

45% have it

5. impedance

Impedance is the device’s electrical resistance to the current being pushed through it. The lower the impedance, the easier it is to get higher volume and requires less power.

19 Ohms

Flips Solo 2 Social: 4 Ohms

43 Ohms

6. no battery needed

This device works without batteries. It weighs less and you don't have to worry about recharging or replacing the battery.

Bang & Olufsen A8

Denon Music Maniac AH-C400

70% have it

7. has an in-line control panel

There is a control panel on the cable, so you can easily operate the device without having to interact with it.

Bang & Olufsen A8

Denon Music Maniac AH-C400

45% have it

8. can be used as a headset

A headset is one headphone or pair with a built-in microphone. Headsets can be used for applications which require communication i.e. Skype, games with voice chat, mobile phones etc.

Bang & Olufsen A8

Denon Music Maniac AH-C400

40% have it

9. has stereo speakers

Devices with stereo speakers deliver sound from independent channels on both left and right sides, creating a richer sound and a better experience.

Bang & Olufsen A8

Denon Music Maniac AH-C400

78% have it

10. has a straight plug

A straight plug is better when the jack is on the top or bottom of your player.

Bang & Olufsen A8

Denon Music Maniac AH-C400

51% have it

11. travel bag is included

The device comes with its own special case or pouch, which is useful for safe transportation.

Bang & Olufsen A8

Denon Music Maniac AH-C400

63% have it

12. has included ear pads

Allows you to change ear pads without buying new ones.

Bang & Olufsen A8

Denon Music Maniac AH-C400

41% have it

13. has a 3.5mm male connector

A standard 3.5mm male connector is suitable for use with all MP3 players and computer sound cards.

Bang & Olufsen A8

Denon Music Maniac AH-C400

84% have it

14. has an in-ear form

The in-ear device is ultracompact and lightweight, with little or no interference with earrings, spectacles, hats, or hairstyles. It is inserted in the ear canal itself and blocks out a lot of environmental noise. It has stronger bass tones and is unlikely to fall out of the ear.

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